17317-1757

  • Unique Name: 17317-1757ARA 257
  • RA: 17 31 45.27
  • Dec: -17 56 17.4
  • Discoverer: ARA
  • Discoverer Number: 257
  • Components:
  • First year: 1916
  • Last year: 2011
  • Observations: 5
  • First position angle: 125
  • Last position angle: 125
  • First separation: 11.7
  • Last separation: 11.6
  • Mag first component: 10.13
  • Mag second component: 12.3
  • Spectral type:
  • Primary proper motion RA: -2
  • Primary proper motion DEC: -3
  • Secondary proper motion RA: 1
  • Secondary proper motion DEC: -15
  • Durchmusterung:
  • Notes:
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